EP3111136A1 - Fixture and led system with same - Google Patents
Fixture and led system with sameInfo
- Publication number
- EP3111136A1 EP3111136A1 EP15755308.2A EP15755308A EP3111136A1 EP 3111136 A1 EP3111136 A1 EP 3111136A1 EP 15755308 A EP15755308 A EP 15755308A EP 3111136 A1 EP3111136 A1 EP 3111136A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- socket
- module
- fixture
- connector
- led system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/105—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using magnets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
- F21V21/096—Magnetic devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
- F21V23/006—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate being distinct from the light source holder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
- F21V3/08—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material comprising photoluminescent substances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Definitions
- This disclosure relates to field of illumination with a light emitting diode (LED). DESCRIPTION OF RELATED ART
- LED related designs are known. Typical designs have one of two configurations. One configuration provides for an LED that screws directly into an Edison based socket (what is often referred to as a replacement bulb). As can be appreciated, such designs have to include AC to DC power conversion circuitry and an LED into a compact package that somehow must cool 7-13 watts. As they must compete with other designs, such as compact fluorescent bulbs, cost is a significant issue and therefore the designs tend to be mediocre in performance (neither offering great optics, great color or great efficiency). In addition, the replacement bulbs tend to have problems with conversion of AC to DC and as a result, often emit substantial RF interference.
- a light emitting diode (LED) system includes a fixture with a socket and a module that can be inserted into the fixture and that mates with the socket.
- the module can be secured to the socket with magnets and can be sized so as to provide a compact and desirable sized fixture while providing substantial amounts of lumens.
- the fixture can provide an AC to DC power conversion unit that allows for efficient operation and ensures that the interface is touch-safe.
- FIG. 1 is a perspective view of an embodiment of a light emitting diode (LED) fixture with a module installed.
- LED light emitting diode
- Fig. 2 is another perspective view of the embodiment depicted in Fig. I .
- Fig. 3 is a perspective exploded view of an embodiment of a LED fixture.
- Fig. 4 is another perspective view of the embodiment depicted in Fig. 3.
- Fig. 5 is a perspective view of an embodiment of a fixture and socket.
- Fig. 6 is a partially exploded perspective view of the embodiment depicted in Fig.
- Fig. 7 is a perspective view of an embodiment of a socket
- FIG. 8 is another perspective view of the embodiment depicted in Fig. 7.
- Fig. 9 is a perspective cross-sectional view taken along line 9-9 in Fig. 1.
- Fig. 10 is a perspective cross sectional view taken along line 10-10 in Fig. 1.
- Fig. 11 is a perspective cross sectional view taken along line 11-11 in Fig. 1.
- Fig. 12 is a perspective simplified cross sectional view taken along line 12-12 in Fig. 1 .
- Fig. 13 is a perspective partial view of the embodiment depicted in Fig. 12.
- Fig. 14 is a perspective exploded view of an embodiment of a module.
- Fig. 15 is another perspective view of the embodiment depicted in Fig. 14. DETAILED DESCRIPTION
- Figs. 1-15 illustrate a plurality of features that can be used to provide a light emitting diode (LED) system 5.
- the LED system 5 includes a fixture 15 with a shell 16, a socket 70 mounted to the shell 16 and a module 30 that mounts into the socket 70 and is secured in the socket 70 by one or more magnets 46.
- the module 30 can be sized so that it is 50 mm in diameter, thus the depicted design can provide a compact and useful system while emitting more than 500 lumens (preferably more than 600 lumens). In an embodiment, for example, the system can emit about 700 to 800 lumens and thus be a downiight replacement.
- the depicted shell 16 includes a side wall 18 and a bottom wall 19 on which the socket 70 is mounted (the socket is mounted on a first side of the bottom wall).
- the fixture may also include an optional flange 17 if desired.
- the fixture includes a power aperture 19a that allows a connector 22 to extend therethrough,
- a power supply 60 can be mounted to the shell 16 and in the depicted embodiment studs 25 extend out from the bottom wall 19 and the power supply 60 includes a bracket 68 that is secured to the studs 25.
- the power supply 60 is mounted on a second side of the bottom wall 19.
- Wires 65a provide power to the power supply 60 and wires 65b provide power to the connector 22 (which in turn powers the module 30).
- the connector 22 can be a poke-in connector as this allows for substantial flexibility in the installation process but in other embodiments the connector 22 could be configured to engage a mating connector of a desirable configuration.
- the po was supply can include an AC to DC conversion so that DC power can be readily provided to the socket 70.
- the socket 70 includes a frame 71 that supports ferrite plates 75 that are used to attract a magnet and this design is generally beneficial as it allows for more flexibility in the material choices of the fixture. However, in embodiments where the fixture is ferrite-based material the ferrite plates 75 can be omitted.
- the frame 71 includes projections 78 that can be used to help provide orientation for the corresponding module 30 and the projections can also include a well 79 that provides access/clearance to a fastener (not shown) that can be used to secure the socket 70 to the shell 16.
- the socket 70 includes a thermal aperture 80 that allows a mating module to directly engage the shell 16 so as to provide for more efficient thermal transfer of energy from the module 30 to the shell 16 (it being understood that the shell 16 can act as a heat sink for the module 30).
- the size of the shell 16 will limit the amount of thermal energy that can be reliably dissipated and thus wall limit the amount of power that can be consumed by the module.
- the depicted fixture is expected to readily manage 10-12 watts and thus is expected to allow for dowTi!ights that can provide 800 to 1000 lumens or more (depending on the efficiency of the module). If further thermal energy transfer is required then the shell 16 can incorporate fins to increase the surface area (and thus improve the thermal handling capabilities).
- the socket 70 also supports pads 81, 82 that are configured to act as an anode or cathode for the module. Depending on the design of the module, it may be necessary to control the orientation of the module 30 with respect to the socket 70 so that the power is applied with the appropriate polarity. Alternatively, the socket 70 could be configured so it could accept the module in two orientations and could be wired so that the same polarity was presented to the module regardless of which orientation the module was inserted into the socket. Alternatively the module 30 could include a rectifier so that the polarity did not impact the module 30.
- the ferrite plates 75 can be attached to the socket 70 with heat stakes 76.
- the connector 22 can be soldered to the traces and/or terminals provided in the socket 70, which in turn are electrically connected to the pads 81 , 82 so that the connector 22 is electrically connected to the pads 81, 82.
- the module 30 includes a base 40 that supports turn supports a light emitting diode (LED) array 33 that includes a substrate 36 that supports LED chips.
- the LED array 33 can include a covering to protect the LED chips that make up the LED array 33 and may also include a phosphor layer to convert light emitted from the LED chips from one wavelength to another wavelength.
- the base 40 also supports circuitry 42, which can include conventional electrical components and traces that connect the components together, as well as controllers and rectifiers and any other desired components.
- the circuitry can include a driver that allows the LED array to operate at the desired illumination level and can provide for dimming without flickering.
- the base 40 also supports terminals 41a, 41b that extend into terminal apertures 43 and engage the pads 81, 82 when the module 30 is inserted into the socket 70. In operation, the magnets 46 bias the module 30 against the socket 70 so that, the terminals 41a, 41b deflect and thus helps provide a reliable connection between the module 30 and the socket 70.
- the socket 70 includes a bottom layer 72 that supports the pads 81 , 82 on one side and the connector 22 on the other side.
- the bottom layer 72 can include traces to connect the pads 81, 82 to the connector 22.
- the bottom layer 72 will just be integral with the frame 71 .
- the pads can be connected to the power supply so that they have a DC voltage.
- the power supply can be configured to provide a low enough voltage so that the pads 81 , 82 can be considered touch- safe and in an embodiment can be at 10-30 volts.
- the LED system can be configured to provide a socket that is considered touch-safe.
- the module 30 includes an optional lens 35 that can reflect and/or shape light emitted from the LED array 33.
- the module also includes a housing 34 that couples to the base 40 and provides an internal pocket 49 that provides space for the circuitry 42 that is mounted on the base 40.
- the housing 34 includes a wall 54 that helps define the size of the internal pocket 49 and the housing 34 also includes fingers 54 that are configured to secure the housing 34 to the base 40 and the fingers 54 can be inserted into finger apertures 55 and heat staked into place.
- the base 40 supports the substrate 36 and a thermal pad 48 is positioned on the substrate 36 and in operation the magnets 46 cause the thermal pad 48 to be compressed against the bottom wall 19 when the module 30 is installed in the socket 70. This allows sufficient pressure so as to enable a relatively high thermal conductivity between the substrate 35 and the bottom wall 1 .
- the depicted design allows the LED array 33 supported by the module 30 to be thermally coupled to the shell 16 (which acts as a heat sink) with just two thermal junctions.
- One thermal junction is between the substrate 36 and a thermal pad 48 and the other thermal junction is between the thermal pad 48 and the shell 16.
- the depicted design thus allows for a highly efficient thermal interface while being secured into place by the use of two magnets that are provided in the module.
- the depicted design allows for vertical translation of the module 30 into the socket 70, thus the thermal pad 48 can be formed of a wide range of materials and does not need to provide for low sliding friction (e.g., the thermal pad can be tacky).
- the terminals 41a, 4 lb deflect they can translate horizontally to some amount and therefore the deflection helps provide some wipe so that a more reliable electrical connection is provided in spite of the simple vertical translation.
- the depicted fixture is shaped similar to a downright, and the module 30 includes the cover 31 that has a curved surface 31a to allow for desirable optical performance.
- the module can include a rectangular shaped base to allow for orientation control.
- the socket could be mounted on a flat plate (so as to provide a suitable construction for an under cabinet lighting system) or in a pendant.
- the size of the module could be further reduced to a size of about 35 mm in diameter.
- such a small size might have a wider beam angle (the current design can be configured to provide a beam angle of less than 40 degrees) and might be configured to provide less lumens (if so desired),
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201461944398P | 2014-02-25 | 2014-02-25 | |
PCT/US2015/017530 WO2015130788A1 (en) | 2014-02-25 | 2015-02-25 | Fixture and led system with same |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3111136A1 true EP3111136A1 (en) | 2017-01-04 |
EP3111136A4 EP3111136A4 (en) | 2017-12-27 |
EP3111136B1 EP3111136B1 (en) | 2019-05-29 |
Family
ID=54009576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15755308.2A Active EP3111136B1 (en) | 2014-02-25 | 2015-02-25 | Fixture and led system with same |
Country Status (5)
Country | Link |
---|---|
US (1) | US10094539B2 (en) |
EP (1) | EP3111136B1 (en) |
CN (1) | CN106233069B (en) |
TW (2) | TW201544759A (en) |
WO (1) | WO2015130788A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10655805B2 (en) * | 2015-12-02 | 2020-05-19 | Zyntony, Inc. | Multi-element flexible strap light |
US10670250B2 (en) | 2017-12-22 | 2020-06-02 | Lumileds Llc | Chip-on-board modular lighting system and method of manufacture |
CN108954024B (en) * | 2018-06-05 | 2020-11-24 | 东莞市闻誉实业有限公司 | Out-of-order LED light source |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4535453B2 (en) | 2006-03-06 | 2010-09-01 | 株式会社小糸製作所 | Light source module and vehicle lamp |
US8348492B2 (en) | 2008-05-06 | 2013-01-08 | Koninklijke Philips Electronics N.V. | Movable LED track luminaire |
US8651711B2 (en) * | 2009-02-02 | 2014-02-18 | Apex Technologies, Inc. | Modular lighting system and method employing loosely constrained magnetic structures |
US8414178B2 (en) | 2009-08-12 | 2013-04-09 | Journée Lighting, Inc. | LED light module for use in a lighting assembly |
WO2011037656A1 (en) | 2009-09-24 | 2011-03-31 | Molex Incorporated | Light module |
CN103314252B (en) * | 2010-12-03 | 2016-08-10 | 理想工业公司 | For keeping the device of light source |
DE112011104392B4 (en) | 2010-12-15 | 2019-03-28 | Molex Inc. | Energy absorbing device and arrangement with this |
TWM412312U (en) * | 2011-01-31 | 2011-09-21 | Ceramate Technical Co Ltd | Multi-functional magnetic attraction type LED lamp which is easy to attach/detach |
TWM425235U (en) * | 2011-06-24 | 2012-03-21 | Ceramate Technical Co Ltd | Light-source replaceable one-piece lamp |
US8858045B2 (en) * | 2011-12-05 | 2014-10-14 | Xicato, Inc. | Reflector attachment to an LED-based illumination module |
CN103104894A (en) * | 2013-02-06 | 2013-05-15 | 喻新立 | Light-emitting diode (LED) pressure installing structure |
-
2015
- 2015-02-25 CN CN201580021790.4A patent/CN106233069B/en not_active Expired - Fee Related
- 2015-02-25 EP EP15755308.2A patent/EP3111136B1/en active Active
- 2015-02-25 WO PCT/US2015/017530 patent/WO2015130788A1/en active Application Filing
- 2015-02-25 TW TW104106072A patent/TW201544759A/en unknown
- 2015-02-25 US US15/120,904 patent/US10094539B2/en not_active Expired - Fee Related
- 2015-02-25 TW TW108209779U patent/TWM589760U/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP3111136B1 (en) | 2019-05-29 |
US10094539B2 (en) | 2018-10-09 |
EP3111136A4 (en) | 2017-12-27 |
TW201544759A (en) | 2015-12-01 |
CN106233069B (en) | 2019-07-12 |
CN106233069A (en) | 2016-12-14 |
WO2015130788A1 (en) | 2015-09-03 |
TWM589760U (en) | 2020-01-21 |
US20160363298A1 (en) | 2016-12-15 |
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